JmxAutoConfigurationTests Class — spring-boot Architecture

Source Code

core/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/jmx/JmxAutoConfigurationTests.java lines 45–147

class JmxAutoConfigurationTests {

	private final ApplicationContextRunner contextRunner = new ApplicationContextRunner()
		.withConfiguration(AutoConfigurations.of(JmxAutoConfiguration.class));

	@Test
	void testDefaultMBeanExport() {
		this.contextRunner.run((context) -> {
			assertThat(context).doesNotHaveBean(MBeanExporter.class);
			assertThat(context).doesNotHaveBean(ObjectNamingStrategy.class);
		});
	}

	@Test
	void testDisabledMBeanExport() {
		this.contextRunner.withPropertyValues("spring.jmx.enabled=false").run((context) -> {
			assertThat(context).doesNotHaveBean(MBeanExporter.class);
			assertThat(context).doesNotHaveBean(ObjectNamingStrategy.class);
		});
	}

	@Test
	void testEnabledMBeanExport() {
		this.contextRunner.withPropertyValues("spring.jmx.enabled=true").run((context) -> {
			assertThat(context).hasSingleBean(MBeanExporter.class);
			assertThat(context).hasSingleBean(ParentAwareNamingStrategy.class);
			MBeanExporter exporter = context.getBean(MBeanExporter.class);
			assertThat(exporter).hasFieldOrPropertyWithValue("ensureUniqueRuntimeObjectNames", false);
			assertThat(exporter).hasFieldOrPropertyWithValue("registrationPolicy", RegistrationPolicy.FAIL_ON_EXISTING);

			MetadataNamingStrategy naming = (MetadataNamingStrategy) ReflectionTestUtils.getField(exporter,
					"namingStrategy");
			assertThat(naming).hasFieldOrPropertyWithValue("ensureUniqueRuntimeObjectNames", false);
		});
	}

	@Test
	void testDefaultDomainConfiguredOnMBeanExport() {
		this.contextRunner
			.withPropertyValues("spring.jmx.enabled=true", "spring.jmx.default-domain=my-test-domain",
					"spring.jmx.unique-names=true", "spring.jmx.registration-policy=IGNORE_EXISTING")
			.run((context) -> {
				assertThat(context).hasSingleBean(MBeanExporter.class);
				MBeanExporter exporter = context.getBean(MBeanExporter.class);
				assertThat(exporter).hasFieldOrPropertyWithValue("ensureUniqueRuntimeObjectNames", true);
				assertThat(exporter).hasFieldOrPropertyWithValue("registrationPolicy",
						RegistrationPolicy.IGNORE_EXISTING);

				MetadataNamingStrategy naming = (MetadataNamingStrategy) ReflectionTestUtils.getField(exporter,
						"namingStrategy");
				assertThat(naming).hasFieldOrPropertyWithValue("defaultDomain", "my-test-domain");
				assertThat(naming).hasFieldOrPropertyWithValue("ensureUniqueRuntimeObjectNames", true);
			});
	}

	@Test
	void testBasicParentContext() {
		try (AnnotationConfigApplicationContext parent = new AnnotationConfigApplicationContext()) {
			parent.register(JmxAutoConfiguration.class);
			parent.refresh();
			this.contextRunner.withParent(parent).run((context) -> assertThat(context.isRunning()));
		}
	}

	@Test
	void testParentContext() {
		try (AnnotationConfigApplicationContext parent = new AnnotationConfigApplicationContext()) {
			parent.register(JmxAutoConfiguration.class, TestConfiguration.class);
			parent.refresh();
			this.contextRunner.withParent(parent)
				.withConfiguration(UserConfigurations.of(TestConfiguration.class))
				.run((context) -> assertThat(context.isRunning()));
		}
	}

	@Configuration(proxyBeanMethods = false)
	static class TestConfiguration {

		@Bean
		Counter counter() {
			return new Counter();
		}

	}

	@ManagedResource
	public static class Counter {

		private int counter;

		@ManagedAttribute
		public int get() {
			return this.counter;
		}

		@ManagedOperation
		public void increment() {
			this.counter++;
		}

	}

}